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A bull terrier died after drinking water at the margin of Zeekoevlei near Cape Town. At the time, Zeekoevlei, a hypertrophic coastal lake, contained a bloom of the cyanobacteria Nodularia spumigena and Microcystis aeruginosa. The circumstances of the incident, clinical signs of poisoning and histopathology, which mainly revealed extensive liver damage, were(More)
Three outbreaks of cyanobacterial (blue-green algae) poisoning involving cattle and sheep are described. In 2 of these acute mortality was followed by photodermatitis in some of the surviving animals. In all 3 outbreaks the hepatotoxicity of the water collected from the dams where the animals had been drinking was confirmed following the intraperitoneal(More)
Information on alcohol use was collected during a survey of dietary intake and energy expenditure of fifteen year olds. Drinking habits of children from solo parent families were little different from those in two parent families. Thirty-two percent of the girls and 26% of the boys said they never drank. Mothers of non-drinkers were twice as likely to be(More)
Atoll dwelling people of Tokelau in the central Pacific have been studied in their home environment and after migration to the industrial culture of New Zealand. The migrants reflect the predominantly male and young composition of their group. Recent migration has eased the lot of the surplus young women from Tokelau, resulting in earlier marriage and(More)
There are increasing concerns regarding the safe human consumption of fish from polluted, freshwater impoundments. The aim of this study was to analyse the muscle tissue of the sharptooth catfish Clarias gariepinus for selected organo-chlorine pesticides (OCPs) and to perform a human health risk assessment using a standard protocol described by the United(More)
This study examined breast feeding practices in Dunedin, and aimed to identify determinants of breast feeding in this population. Infants' records were used for a 10 year period (1974-83) from the Royal New Zealand Plunket Society. An upward trend in breast feeding prevalence was observed. Breast feeding was more common in mothers of high socioeconomic(More)
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